World · Europe · 1 hr ago
US warns of mass-casualty threat at Moscow’s Tsaritsyno museum
The US Embassy warned of a credible threat at Tsaritsyno in Moscow on October 31 that could cause mass casualties.
The warning advised US citizens to avoid the museum-reserve and nearby areas, stay alert and keep away from crowds.
Russia’s FSB confirmed it had received US information about a planned terrorist attack in Moscow and said it was taking appropriate action.
The US government said it was coordinating its response with Russian authorities.
Accounts differed on whether the museum was open: guards told one outlet it had closed for technical reasons, while the museum told another it was operating as usual.
Authorities have not publicly detailed the threat, and the sources give no further information about what happens next.
The US Embassy warned of a credible threat of a mass-casualty event on Oct. 31 at Moscow’s Tsaritsyno Museum Reserve.
The embassy said the US government was coordinating with Russian authorities and urged people to avoid the area and crowds.
Russia’s Federal Security Service said it had received US information about preparations for a terrorist attack in Moscow and was taking action.
The museum reserve was temporarily closed, and access to its park was restricted, according to Russian media reports.
- Who
- The US Embassy in Moscow issued the warning; Russia’s Federal Security Service said it received the information.
- What
- A credible threat of a mass-casualty event was reported at the Tsaritsyno Museum Reserve.
- When
- Oct. 31, 2026.
- Where
- Tsaritsyno Museum Reserve in southern Moscow, Russia.
- Why
- The sources said information indicated preparations for a terrorist attack. A motive was not stated.
This story does not have two clearly opposing sides.
The US Embassy issued a warning about a credible mass-casualty threat at Tsaritsyno Museum Reserve and urged people to avoid the area.
The FSB said it had received information from US partners about plans for a terrorist attack in Moscow.
The museum reserve was temporarily closed and access to the park was restricted, according to Russian media reports.
- Threat date
- Oct. 31, 2026
- Location
- Tsaritsyno Museum Reserve, Moscow
- Address
- Dolskaya Ulitsa 1, Moscow, Russia 11569
- US response
- Coordinating with Russian authorities
- Russian response
- FSB said it was taking appropriate action
7 sources
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What people are saying
The U.S. Embassy in Moscow is aware of a credible threat of a mass casualty event TODAY October 31, at the Tsaritsyno Museum Reserve in Moscow at Dolskaya Ulitsa 1, Moscow, Russia 11569. The U.S. government is coordinating with appropriate Russian authorities on a response.
We have received information from U.S. partners regarding plans for a terrorist attack in Moscow. We are taking appropriate action.